KEY POINTS
  • The Tax Cuts and Jobs Act applied a $10,000 cap on taxpayers’ ability to deduct their state and local taxes, spurring some states to establish charitable funds.
  • In June the IRS and Treasury released rules that would largely put a stop to these new charitable funds.
  • New Jersey, New York and Connecticut are now suing the IRS over the new regulation.
New Jersey Governor Phil Murphy speaks after taking the oath of office in Trenton, New Jersey, January 16, 2018.

New Jersey is suing the Internal Revenue Service, challenging new rules that would block states' attempts to get around a new $10,000 cap for state and local tax deductions.

The state's governor, Democrat Phil Murphy, announced the lawsuit on Wednesday morning, naming Treasury Secretary Steven Mnuchin among the defendants.